-export OPNFV_RELENG_PATH=/opt/releng
-export OPENSTACK_BIFROST_PATH=/opt/bifrost
-export OPENSTACK_OSA_PATH=/opt/openstack-ansible
+export XCI_DEVEL_ROOT=${XCI_DEVEL_ROOT:-"/tmp/.xci-deploy-env"}
+export OPNFV_RELENG_PATH="${XCI_DEVEL_ROOT}/releng"
+export OPENSTACK_BIFROST_PATH="${XCI_DEVEL_ROOT}/bifrost"
+export OPENSTACK_OSA_PATH="${XCI_DEVEL_ROOT}/openstack-ansible"
+export OPNFV_SSH_HOST_KEYS_PATH="${XCI_DEVEL_ROOT}/ssh_host_keys"